Constraints on dark matter annihilation in clusters of galaxies with the Fermi large area telescope

被引:161
作者
Ackermann, M. [3 ,4 ]
Ajello, M. [3 ,4 ]
Allafort, A. [3 ,4 ]
Baldini, L. [5 ]
Ballet, J. [6 ]
Barbiellini, G. [7 ,8 ]
Bastieri, D. [9 ,10 ]
Bechtol, K. [3 ,4 ]
Bellazzini, R. [5 ]
Blandford, R. D. [3 ,4 ]
Bloom, E. D. [3 ,4 ]
Bonamente, E. [11 ,12 ]
Borgland, A. W. [3 ,4 ]
Bouvier, A. [3 ,4 ]
Brandt, T. J. [13 ,14 ]
Bregeon, J. [5 ]
Brigida, M. [15 ,16 ,17 ]
Bruel, P. [18 ]
Buehler, R. [3 ,4 ]
Buson, S. [9 ]
Caliandro, G. A. [19 ]
Cameron, R. A. [3 ,4 ]
Caraveo, P. A. [20 ]
Carrigan, S. [10 ]
Casandjian, J. M. [6 ]
Cecchi, C. [11 ,12 ]
Charles, E. [3 ,4 ]
Chekhtman, A. [21 ,22 ]
Cheung, C. C. [21 ,23 ]
Chiang, J. [3 ,4 ]
Ciprini, S. [12 ]
Claus, R. [3 ,4 ]
Cohen-Tanugi, J. [24 ]
Cominsky, L. R. [25 ]
Conrad, J. [26 ,27 ]
de Angelis, A. [28 ,29 ]
de Palma, F. [15 ,16 ,17 ]
do Couto e Silva, E. [3 ,4 ]
Drell, P. S. [3 ,4 ]
Drlica-Wagner, A. [3 ,4 ]
Dubois, R. [3 ,4 ]
Dumora, D. [30 ,31 ]
Edmonds, Y. [3 ,4 ]
Farnier, C. [24 ]
Favuzzi, C. [15 ,16 ,17 ]
Fegan, S. J. [18 ]
Frailis, M. [28 ,29 ,32 ]
Fukazawa, Y. [33 ]
Fusco, P. [15 ,16 ,17 ]
Gargano, F. [17 ]
机构
[1] Univ Calif Santa Cruz, Santa Cruz Inst Particle Phys, Dept Phys, Santa Cruz, CA 95064 USA
[2] Univ Calif Santa Cruz, Dept Astron & Astrophys, Santa Cruz, CA 95064 USA
[3] Stanford Univ, WW Hansen Expt Phys Lab, Kavli Inst Particle Astrophys & Cosmol, Dept Phys, Stanford, CA 94305 USA
[4] Stanford Univ, SLAC Natl Accelerator Lab, Stanford, CA 94305 USA
[5] Ist Nazl Fis Nucl, Sez Pisa, I-56127 Pisa, Italy
[6] Univ Paris Diderot, CNRS, Lab AIM, CEA IRFU,Serv Astrophys,CEA Saclay, F-91191 Gif Sur Yvette, France
[7] Ist Nazl Fis Nucl, Sez Trieste, I-34127 Trieste, Italy
[8] Univ Trieste, Dipartimento Fis, I-34127 Trieste, Italy
[9] Ist Nazl Fis Nucl, Sez Padova, I-35131 Padua, Italy
[10] Univ Padua, Dipartimento Fis G Galilei, I-35131 Padua, Italy
[11] Ist Nazl Fis Nucl, Sez Perugia, I-06123 Perugia, Italy
[12] Univ Perugia, Dipartimento Fis, I-06123 Perugia, Italy
[13] CNRS UPS, Ctr Etud Spatiale Rayonnements, F-31028 Toulouse 4, France
[14] Ohio State Univ, Dept Phys, Ctr Cosmol & Astroparticle Phys, Columbus, OH 43210 USA
[15] Univ Bari, Dipartimento Fis M Merlin, I-70126 Bari, Italy
[16] Politecn Bari, I-70126 Bari, Italy
[17] Ist Nazl Fis Nucl, Sez Bari, I-70126 Bari, Italy
[18] Ecole Polytech, CNRS, IN2P3, Lab Leprince Ringuet, F-91128 Palaiseau, France
[19] IEEC CSIC, Inst Ciencies Espai, Barcelona 08193, Spain
[20] Ist Astrofis Spaziale & Fis Cosm, INAF, I-20133 Milan, Italy
[21] USN, Res Lab, Div Space Sci, Washington, DC 20375 USA
[22] George Mason Univ, Fairfax, VA 22030 USA
[23] Natl Acad Sci, Natl Res Council Res Associate, Washington, DC 20001 USA
[24] Univ Montpellier 2, CNRS, IN2P3, Lab Phys Theor & Astroparticules, Montpellier, France
[25] Sonoma State Univ, Dept Phys & Astron, Rohnert Pk, CA 94928 USA
[26] Stockholm Univ, Dept Phys, SE-10691 Stockholm, Sweden
[27] Oskar Klein Ctr Cosmoparticle Phys, SE-10691 Stockholm, Sweden
[28] Univ Udine, Dipartimento Fis, I-33100 Udine, Italy
[29] Ist Nazl Fis Nucl, Sez Trieste, Grp Collegato Udine, I-33100 Udine, Italy
[30] Ctr Etud Nucl Bordeaux Gradignan, IN2P3, CNRS, UMR 5797, F-33175 Gradignan, France
[31] Univ Bordeaux, Ctr Etud Nucl Bordeaux Gradignan, UMR 5797, F-33175 Gradignan, France
[32] Osserv Astron Trieste, Ist Nazl Astrofis, I-34143 Trieste, Italy
[33] Hiroshima Univ, Dept Phys Sci, Hiroshima 7398526, Japan
[34] ASI, Sci Data Ctr, I-00044 Rome, Italy
[35] NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA
[36] Univ Alabama, CSPAR, Huntsville, AL 35899 USA
[37] Waseda Univ, Res Inst Sci & Engn, Shinjuku Ku, Tokyo 1698555, Japan
[38] NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA
[39] CRESST, Greenbelt, MD 20771 USA
[40] Univ Maryland, Dept Phys, College Pk, MD 20742 USA
[41] Univ Maryland, Dept Astron, College Pk, MD 20742 USA
[42] Ist Nazl Fis Nucl, Sez Roma Tor Vergata, I-00133 Rome, Italy
[43] Univ Denver, Dept Phys & Astron, Denver, CO 80208 USA
[44] JAXA, Inst Space & Astronaut Sci, Kanagawa 2298510, Japan
[45] Hiroshima Univ, Hiroshima Astrophys Sci Ctr, Hiroshima 7398526, Japan
[46] Max Planck Inst Extraterr Phys, D-85748 Garching, Germany
[47] Univ Washington, Dept Phys, Seattle, WA 98195 USA
[48] NASA, Ames Res Ctr, Div Space Sci, Moffett Field, CA 94035 USA
[49] NYCB Real Time Comp Inc, Lattingtown, NY 11560 USA
[50] Purdue Univ Calumet, Dept Chem & Phys, Hammond, IN 46323 USA
来源
JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS | 2010年 / 05期
基金
美国国家科学基金会; 瑞典研究理事会; 美国国家航空航天局;
关键词
gamma ray experiments; galaxy clusters; supersymmetry and cosmology; dark energy theory; COMA CLUSTER; MASS; HALOES;
D O I
10.1088/1475-7516/2010/05/025
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
Nearby clusters and groups of galaxies are potentially bright sources of highenergy gamma-ray emission resulting from the pair-annihilation of dark matter particles. However, no significant gamma-ray emission has been detected so far from clusters in the first 11 months of observations with the Fermi Large Area Telescope. We interpret this non-detection in terms of constraints on dark matter particle properties. In particular for leptonic annihilation final states and particle masses greater than similar to 200GeV, gamma-ray emission from inverse Compton scattering of CMB photons is expected to dominate the dark matter annihilation signal from clusters, and our gamma-ray limits exclude large regions of the parameter space that would give a good fit to the recent anomalous Pamela and Fermi-LAT electron-positron measurements. We also present constraints on the annihilation of more standard dark matter candidates, such as the lightest neutralino of supersymmetric models. The constraints are particularly strong when including the fact that clusters are known to contain substructure at least on galaxy scales, increasing the expected gammaray flux by a factor of similar to 5 over a smooth-halo assumption. We also explore the effect of uncertainties in cluster dark matter density profiles, finding a systematic uncertainty in the constraints of roughly a factor of two, but similar overall conclusions. In this work, we focus on deriving limits on dark matter models; a more general consideration of the Fermi-LAT data on clusters and clusters as gamma-ray sources is forthcoming.
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页数:19
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